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authorOlivier Moysan <olivier.moysan@st.com>2020-02-03 13:08:09 +0300
committerMark Brown <broonie@kernel.org>2020-02-11 14:23:07 +0300
commit028476c861e3eb660d8d104ef39fccb34c04a0d5 (patch)
tree6aa84bc372b5c83c54ec76382a4c9ca9ad22f37f /sound/soc/stm
parentb5848c814cdb6ea87f77559a143c464101330c7e (diff)
downloadlinux-028476c861e3eb660d8d104ef39fccb34c04a0d5.tar.xz
ASoC: stm32: sai: manage error when getting reset controller
Return an error when the SAI driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20200203100814.22944-2-olivier.moysan@st.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/stm')
-rw-r--r--sound/soc/stm/stm32_sai.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/sound/soc/stm/stm32_sai.c b/sound/soc/stm/stm32_sai.c
index e20267504b16..b824ba6cb028 100644
--- a/sound/soc/stm/stm32_sai.c
+++ b/sound/soc/stm/stm32_sai.c
@@ -197,12 +197,16 @@ static int stm32_sai_probe(struct platform_device *pdev)
return sai->irq;
/* reset */
- rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
- if (!IS_ERR(rst)) {
- reset_control_assert(rst);
- udelay(2);
- reset_control_deassert(rst);
+ rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
+ if (IS_ERR(rst)) {
+ if (PTR_ERR(rst) != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Reset controller error %ld\n",
+ PTR_ERR(rst));
+ return PTR_ERR(rst);
}
+ reset_control_assert(rst);
+ udelay(2);
+ reset_control_deassert(rst);
/* Enable peripheral clock to allow register access */
ret = clk_prepare_enable(sai->pclk);